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Acer TravelMate 2300 TravelMate 2300/4000/4500 Service Guide - Page 78

Power System Check, If you suspect a power problem

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Power System Check To verify the symptom of the problem, power on the computer using each of the following power sources: 1. Remove the battery pack. 2. Connect the power adapter and check that power is supplied. 3. Disconnect the power adapter and install the charged battery pack; then check that power is supplied by the battery pack. If you suspect a power problem, see the appropriate power supply check in the following list: T "Check the Battery Pack" on page 72 Chapter 4 71

Section	Page
TravelMate 2300/4000/4500	1
Revision History	2
Copyright	3
Disclaimer	3
Product Comparision	7
Ch.1 System Specifications	8
Features	8
System Block Diagram	10
Board Layout	11
Top View	11
Bottom View	12
A TravelMate tour	14
Front Open View	14
Front Closed View	16
Left View	17
Right Panel	18
Rear Panel	19
Bottom Panel	20
Indicators	21
Using the Keyboard	23
Lock Keys	23
Embedded Numeric Keypad	24
Windows Keys	25
Hot Keys	26
Special Key	28
Launch Keys	29
Touchpad	31
Touchpad Basics	31
Hardware Specifications and Configurations	33
Ch.2 System Utilities	44
BIOS Setup Utility	44
Navigating the BIOS Utility	45
Information	46
Main	47
Advanced	49
Security	51
Boot	55
Exit	56
BIOS Flash Utility	57
Ch.3 Machine Disassembly and Replacement	58
General Information	59
Before You Begin	59
Disassembly Procedure Flowchart	61
Removing the Battery Pack	63
Removing the HDD Module/the Memory and the Wireless LAN Card/the Thermal Module and the CPU/ODD M...	64
Removing the HDD Module	64
Removing the Memory and the Wireless LAN Card	64
Removing the Thermal Module and CPU	64
Removing the ODD Module	66
Removing the LCD Module	66
Disassembling the Main Unit	68
Separate the Main Unit Into the Upper and the Lower Case Assembly	68
Disassembling the Upper Case Assembly	68
Disassembling the Lower Case Assembly	69
Disassembling the LCD Module	72
Disassembling the External Modules	74
Disassembling the HDD Module	74
Disassembling the Optical Drive Module	74
Ch.4 Troubleshooting	76
System Check Procedures	77
External Diskette Drive Check	77
External CD-ROM Drive Check	77
Keyboard or Auxiliary Input Device Check	77
Memory check	77
Power System Check	78
Touchpad check	79
Power-On Self-Test (POST) Error Message	80
Index of Error Messages	81
Phoenix BIOS Beep Codes	83
Index of Symptom-to-FRU Error Message	87
Intermittent Problems	91
Undetermined Problems	92
Use NAPP CD to Build Master Hard Disc Drive	93
CD to Disk Recovery	93
Disk to Disk Recovery	96
Ch.5 Jumper and Connector Locations	100
Top View	100
Bottom View	102
Ch.6 FRU (Field Replaceable Unit) List	104
Exploded Diagram	105
App.A Model Definition and Configuration	123
TravelMate 4000 Series	123
App.B Test Compatible Components	124
Microsoft(R)Windows(R)XP Pro Environment Test	125

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